What size bike for 145cm child

For a child who is 145 cm tall, compare 20-inch and 24-inch bikes: both XBikes height ranges include 145 cm, but the correct choice depends on inseam, stand-over clearance, reach, brake control and confidence—not age or room to grow.

Which wheel size matches 145 cm?

The XBikes starting range for a 20-inch bike is 122–152 cm, while the range for a 24-inch bike is 137–163 cm. At 145 cm, the rider sits inside both ranges. That overlap means height alone cannot settle the decision.

A 20-inch bike is generally the more useful first comparison when the child is less confident, has a shorter inseam or finds the larger bike difficult to control. Compare a 24-inch bike if the child can comfortably stand over it, reach its controls and handle it without stretching. Do not choose the 24-inch merely because it may last longer.

A 26-inch bike is not the appropriate starting point at a measured height of 145 cm. The supplied XBikes standard places 26-inch bikes above 153 cm for youth and adults.

Measure before comparing bikes

1. Confirm standing height: Measure without shoes, with the child upright against a wall. Use the current measurement rather than an estimate or an old record.
2. Measure inseam: With feet slightly apart, place a firm, level object between the legs to represent the saddle area. Measure from the floor to its top. This helps assess stand-over fit, but the bicycle’s own dimensions still need to be checked.
3. Note normal footwear: Perform the final bicycle check in the closed-toe shoes the child will usually wear while riding.

Do not convert the inseam measurement directly into a wheel size without checking the particular bicycle. Wheel diameter is only one part of fit; frame shape, saddle position and handlebar reach can differ.

Run a hands-on fit check

Have the child try each candidate bicycle rather than ordering solely by its wheel label. The American Academy of Pediatrics advises against buying an oversized bike for growth and emphasizes stand-over, control and brake reach.

• Stand-over: The child should be able to straddle the bicycle without the frame preventing a stable stance.
• Starting and stopping: Ask the rider to mount, begin moving, stop and dismount under close adult supervision in a traffic-free area.
• Reach: The child should hold the handlebar without locking the elbows, leaning excessively forward or losing a comfortable steering position.
• Brake control: Where hand brakes are fitted, the child must be able to reach and operate them reliably while maintaining control.
• Confidence: Watch for hesitation, wobbling or difficulty turning. A size that technically matches the height chart may still be too demanding today.

How the supplied XBikes options help

These catalog options provide actual 20-inch and 24-inch comparison points within the two height ranges relevant to a 145 cm child. Their labels narrow the try-on choices, but they do not replace the measurements and control checks above.

• XJD Kids Beach Cruiser Bicycle, Rear Rack & V-Brakes, Mint Green

  Available in 20 Inch and 24 Inch, the two XBikes height-range comparison points relevant at 145 cm. Its 26 Inch option starts above the supplied height standard.

• XJD Pink Beach Cruiser for Girls – Rear Rack & V-Brake

  Its 20 Inch and 24 Inch options allow a direct fit comparison at 145 cm, including reach and control of the supplied V-brake. The 26 Inch option is outside the stated range.

• Girls' Training Wheel Bike by XJD with Basket – Purple

  Only the available 20 Inch option falls within the supplied height range for a 145 cm rider. The 14 Inch and 16 Inch options are below that standard.

XJD Kids Beach Cruiser Bicycle, Rear Rack & V-Brakes, Mint Green is offered in 20 Inch, 24 Inch and 26 Inch. At 145 cm, compare its 20-inch and 24-inch versions in person; the 26-inch version falls outside the supplied height starting point.

XJD Pink Beach Cruiser for Girls – Rear Rack & V-Brake also offers 20 Inch, 24 Inch and 26 Inch. Its 20-inch and 24-inch options let the rider compare the relevant overlapping sizes while checking reach and V-brake operation.

Girls' Training Wheel Bike by XJD with Basket – Purple is available in 14 Inch, 16 Inch and 20 Inch. Only its 20-inch option falls within the supplied range for a 145 cm rider; the 14-inch and 16-inch labels are below that height standard. Treat the wording in its title as a catalog description, not proof of individual fit.

Choose between 20 and 24 inches

If both sizes pass, compare how naturally the child handles each one rather than automatically selecting the larger wheel. If neither passes, do not force a choice from the chart; seek help from a qualified bicycle mechanic or fitter. Follow the exact product manual for assembly, adjustments, maintenance, compatibility, load limits and torque.

Complete the 145 cm fit decision

Before riding, add a properly fitting bicycle helmet. U.S. Consumer Product Safety Commission guidance says it should sit level and its straps should be adjusted according to the helmet manufacturer’s instructions.

For a 145 cm child, take the measured height and inseam to compare one 20-inch and one 24-inch bike. Choose only the size the child can straddle, reach, steer and brake confidently now; if the 24-inch bike fails any check, return to the 20-inch comparison instead of sizing up for future growth.